The term 'A Song of Devotion or Loyalty' can be summarized by three crossword solutions: ARDOR (5 letters), TROTH (5 letters), and IDOL (4 letters). ARDOR is an intense and passionate emotion, often associated with love. TROTH is a promise of loyalty or faithfulness, usually made in a marriage ceremony. IDOL is an object of extreme devotion or admiration. All three words are related to the concept of devotion or loyalty, and can be used to describe a song that expresses these feelings.